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Vision21
  Vision21
  Corporate Information
History
  2016~
  2011~2015
  2006~2010
  1998~2005
President
Certifications
Locations
Permit Issuer Date
Producer/Importer/Exporter of Substitute Fuel for Petroleum Ministry of Knowledge Economy Apr. 2006
Bio Heavy Oil Procucer for Power Generation Supply Ministry of Trade, Industry and Energy Mar. 2014
Waste Recycling Services Jeongeup City Mar. 2010
ISO 9001 Korean Standards Association Dec. 2012
Patent Issuer Date
Method for preparing highly pure glyceryl monoester KIPO Jan. 2005
Method for preparing biodiesel using supercritical alcohol and solvent KIPO Jun. 2008
Flow improver compositions at low temperature for fuel oil having bio-diesel and flow improver using the same KIPO Aug. 2012
Method for preparing biodiesel using supercritical alcohol KIPO Jul. 2013
Pour point depressants for biodiesels KIPO May. 2014
Hybrid membrane for separating volatile organiccompounds produced by using modified silicananoparticles and PDMS, manufacturing method and usethereof KIPO Oct. 2006
Refilling system for natural flow infitrated water KIPO Nov. 2007
Predictive control system of anaerobic digestion vessel and processingmethod of organic waste using the same KIPO Feb. 2011